Description:

Ac current type, 60.0 hertz frequency rating, not provided carrying case, 110.0 volts voltage rating, electrical operation method.

Special Features:

Functions independently as 16 column credit balance adding machine, algebraically correct in all mathematical operations

Properties:

A small computerized device which performs arithmetic calculations. It may have keys which calculate algebraic, trigonometric, or other functions. It may be programmable or include alphanumeric capability (such as for telephone lists or memos). Excludes accounting machine. See also adding and subtracting machine and adding machine.